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    • 5. 发明授权
    • High octane number gasolines and their production using a process associating hydro-isomerization and separation
    • 高辛烷值汽油及其使用加氢异构化和分离的方法生产
    • US06338791B1
    • 2002-01-15
    • US09517071
    • 2000-03-01
    • Karine RagilSophie JullianJean-Pierre DurandGérard HotierOlivier Clause
    • Karine RagilSophie JullianJean-Pierre DurandGérard HotierOlivier Clause
    • C10G5902
    • C10L1/06C10G45/58
    • The invention provides a high octane number gasoline pool comprises at least 2% of di-branched paraffins containing 7 carbon atoms, and a process for producing this gasoline pool by hydro-isomerizing a feed constituted by a C5 to C8 cut which comprises at least one hydro-isomerization section and at least one separation section, in which the hydro-isomerization section and at least one separation section, in which the hydro-isomerization section comprises at least one reactor. The separation section comprises at least one unit and produces at least two streams: a first stream which is rich in di- and tri-branched paraffins, and possibly in naphthenes and aromatic compounds which is sent to the gasoline pool; and in a first version of the process, a second stream is produced which is rich in straight-chain and mono-branched paraffins which is recycled to the inlet of the hydro-isomerization section, while in a second version of the process, a second flux is produced which is rich in straight-chain paraffins which is recycled to the inlet of a first hydro-isomerization section and a third stream is produced which is rich in mono-branched paraffins which is recycled to the inlet of a second hydroisomerization section.
    • 本发明提供了包含至少2%含有7个碳原子的二支链链烷烃的高辛烷值汽油池,以及通过将由C5至C8馏分构成的进料加氢异构化来生产该汽油池的方法,该方法包括至少一种 加氢异构化部分和至少一个分离部分,其中加氢异构化部分和至少一个分离部分,其中加氢异构化部分包含至少一个反应器。 分离部分包括至少一个单元并产生至少两股物流:富含二 - 和三支链烷烃的第一物流,以及可能以环烷烃和芳族化合物的形式送入汽油池; 并且在该方法的第一版本中,产生富含直链和单支链烷烃的第二料流,其被再循环到加氢异构化部分的入口,而在该方法的第二种方式中,第二种是第二种 产生富含直链烷烃的助熔剂,其被再循环到第一加氢异构化部分的入口,并且生产富含单支链烷烃的第三料流,其被再循环到第二加氢异构化部分的入口。
    • 9. 发明授权
    • Process for the separation of isoalkanes/n-alkanes by gas phase
adsorption using a pressure swing and four adsorbers
    • 使用压力摆动和四个吸附器通过气相吸附分离异烷烃/正烷烃的方法
    • US5863315A
    • 1999-01-26
    • US900532
    • 1997-07-25
    • Sophie JullianJean-Louis AmbrosinoAlain ChansolmeValerie Wiss-Henrard
    • Sophie JullianJean-Louis AmbrosinoAlain ChansolmeValerie Wiss-Henrard
    • B01D53/04B01J20/18C07C7/13C10G25/03B01D53/047
    • C10G25/03C07C7/13
    • Four adsorbers 1 to 4, each operating in a cycle comprising (described for adsorber 2): an adsorption step 1 wherein a feed from adsorber 2 is circulated to adsorber 2; an adsorption step 2 wherein feed is injected to the bottom of adsorber 2 and a product rich in isoparaffins is recovered from the head of adsorber 2; an adsorption step 3 wherein a portion of the fluid leaving adsorber 2 is sent to adsorber 3; an adsorption step 4 wherein the head of adsorber 2 receiving the feed is connected to the bottom of adsorber 3; a first depressurisation step 5 wherein adsorber 2 at high pressure is connected to adsorber 4 at a lower pressure; a second depressurisation step 6 wherein the head of adsorber 2 is closed; a stripping step 7 wherein the bottom of adsorber 2, which receives desorbent overhead, is connected to the top of adsorber 2; two principal stripping steps 8 and 9 wherein adsorber 2 alone is supplied with desorbent; a stripping finishing step 10 wherein adsorber 2 is continued to be supplied with desorbent and the outlet from the adsorber 2 is connected to adsorber 3; a first pressurisation step 11 to an intermediate pressure wherein the bottoms of adsorbers 2 and 4 are connected together; and a second pressurisation step 12 wherein a stream providing a portion of the effluent from adsorber 1 is introduced into the bottom of adsorber 2.
    • 四个吸附器1至4,每个在包括(对于吸附器2描述)的循环中操作:吸附步骤1,其中来自吸附器2的进料循环到吸附器2; 从吸附器2的头部回收吸附步骤2,其中将进料注入吸附器2的底部和富含异构烷烃的产物; 吸附步骤3,其中离开吸附器2的一部分流体被送到吸附器3; 吸附步骤4,其中接收进料的吸附器2的头部连接到吸附器3的底部; 第一减压步骤5,其中高压吸附器2以较低压力连接到吸附器4; 第二减压步骤6,其中吸附器2的头部关闭; 汽提步骤7,其中接收解吸塔顶的吸附器2的底部连接到吸附器2的顶部; 两个主要的汽提步骤8和9,其中单独的吸附器2被提供解吸剂; 剥离完成步骤10,其中吸附器2继续被提供解吸剂,并且吸附器2的出口连接到吸附器3; 第一加压步骤11到中间压力,其中吸附器2和4的底部连接在一起; 和第二加压步骤12,其中将提供一部分来自吸附器1的流出物的流引入吸附器2的底部。